During World War II, pennies were made of steel to save copper for the war effort. However, a few were mistakenly made of bronze, and these are extremely rare and valuable. Made of 95% copper and ...
The combination of "copper" and "penny" might not seem like the best formula for valuable coins considering that you can find ...
Trump ordered the Treasury Department to stop making pennies with a Feb. 10 sentence on his social media account that followed years of conservatives pointing out that putting a copper-coated zinc ...
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